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NRBC concentrations over time in neonates with moderate to severe neonatal encephalopathy with and without sentinel events

Abstract

Objective

To study the serum concentrations of nucleated red blood cells (NRBC) over time in neonates with moderate to severe neonatal encephalopathy (NE).

Study design

A retrospective cohort study with subjects subdivided into three groups: definite sentinel events (n = 52), probable sentinel events (n = 20) and no history of sentinel events (n = 63). Peak absolute NRBC and NRBC/100 WBC were compared between groups and with MRI Injury score, cord and admission pH/base deficit.

Results

Absolute NRBC peaked at 24.05 h after birth (CI: 15.30-32.79), 17.56 h after birth (CI: 7.35-27.77), and 39.81 h after birth (CI: 28.73-50.89) in each respective group. The peak in absolute NRBC correlated with the severity of injury in the grey matter in group 2 and white matter in groups 1 and 2. Higher peak absolute NRBC value correlated to a lower admission ABG pH.

Conclusion

NRBC peak at 24 h after birth in neonates with sentinel events.

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Fig. 1: Box plot graph of the peak absolute NRBC and NRBC/100WBC values among 3 cohort.
Fig. 2: Box plot graph of time to peak absolute NRBC among 3 cohort.
Fig. 3: Box plot graph of time to peak absolute NRBC/100 WBC among 3 cohort.

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Data availability

The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Authors and Affiliations

Authors

Contributions

Supervision: MW and JW; Study Design: MW, JW, PG and NB; Data Collection; PG, DR, GG, LS, JH and JW; Writing: PG, NB, DR, GG, LS and MW, Reviewing and editing: all authors.

Corresponding author

Correspondence to Michael D. Weiss.

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Gaulee, P., Bliznyuk, N., Rajderkar, D. et al. NRBC concentrations over time in neonates with moderate to severe neonatal encephalopathy with and without sentinel events. J Perinatol (2024). https://doi.org/10.1038/s41372-024-01887-6

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  • DOI: https://doi.org/10.1038/s41372-024-01887-6

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